Title: Dead-volume management in compressed-gas energy storage and recovery systems

Abstract

In various embodiments, coupling losses between a cylinder assembly and other components of a gas compression and/or expansion system are reduced or eliminated via valve-timing control.

Inventors:

McBride, Troy O.; Bollinger, Benjamin R.; Berg, Joel

Issue Date:

2014-03-11

Research Org.:

SustainX, Inc., Seabrook, NH (United States)

Sponsoring Org.:

USDOE

OSTI Identifier:

1531905

Patent Number(s):

8667792

Application Number:

13/754,243

Assignee:

SustainX, Inc. (Seabrook, NH)

Patent Classifications (CPCs):

F - MECHANICAL ENGINEERING F04 - POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS F04B - POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS

F - MECHANICAL ENGINEERING F01 - MACHINES OR ENGINES IN GENERAL F01K - STEAM ENGINE PLANTS

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F - MECHANICAL ENGINEERING F04 - POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS F04B - POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS

F04B49/22 - by means of valves

F - MECHANICAL ENGINEERING F01 - MACHINES OR ENGINES IN GENERAL F01K - STEAM ENGINE PLANTS

F01K13/02 - Controlling, e.g. stopping or starting
F01K7/00 - Steam engine plants characterised by the use of specific types of engine

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

Y02E60/16 - Mechanical energy storage, e.g. flywheels

F - MECHANICAL ENGINEERING F04 - POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS F04B - POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS

F04B41/02 - having reservoirs

F - MECHANICAL ENGINEERING F01 - MACHINES OR ENGINES IN GENERAL F01K - STEAM ENGINE PLANTS

F01K27/00 - Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for

F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02G - HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS

F02G1/043 - the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines

F - MECHANICAL ENGINEERING F01 - MACHINES OR ENGINES IN GENERAL F01B - MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES

F01B1/01 - with one single cylinder

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DOE Contract Number:  

OE0000231

Resource Type:

Patent

Resource Relation:

Patent File Date: 2013-01-30

Country of Publication:

United States

Language:

English